Files
HomeKitADK/PAL/POSIX/HAPPlatformSystemCommand.h
2019-12-18 05:20:05 -08:00

71 lines
2.4 KiB
C

// Copyright (c) 2015-2019 The HomeKit ADK Contributors
//
// Licensed under the Apache License, Version 2.0 (the “License”);
// you may not use this file except in compliance with the License.
// See [CONTRIBUTORS.md] for the list of HomeKit ADK project authors.
#ifndef HAP_PLATFORM_SYSTEM_COMMAND_H
#define HAP_PLATFORM_SYSTEM_COMMAND_H
#ifdef __cplusplus
extern "C" {
#endif
#include "HAPPlatform.h"
#if __has_feature(nullability)
#pragma clang assume_nonnull begin
#endif
/**
* Synchronously runs a system command and stores the result of STDOUT in the provided buffer.
*
* Passes an empty environment to HAPPlatformSystemCommandRunWithEnvironment.
*
* @param command Command to be run.
* @param[out] bytes Buffer that will be filled with data.
* @param maxBytes Maximum number of bytes that may be filled into the buffer.
* @param[in,out] numBytes Effective number of bytes written to the buffer.
*
* @return kHAPError_None If successful.
* @return kHAPError_Unknown If the process does not exit successfully.
* @return kHAPError_OutOfResources If the buffer was not big enough to store the result.
*/
HAP_RESULT_USE_CHECK
HAPError HAPPlatformSystemCommandRun(
char* _Nullable const command[_Nonnull],
char* bytes,
size_t maxBytes,
size_t* numBytes);
/**
* Synchronously runs a system command with an environment and stores the result of STDOUT in the provided buffer.
*
* @param command Command to be run.
* @param environment Environment to be passed to the command.
* @param[out] bytes Buffer that will be filled with data.
* @param maxBytes Maximum number of bytes that may be filled into the buffer.
* @param[in,out] numBytes Effective number of bytes written to the buffer.
*
* @return kHAPError_None If successful.
* @return kHAPError_Unknown If the process does not exit successfully.
* @return kHAPError_OutOfResources If the buffer was not big enough to store the result.
*/
HAP_RESULT_USE_CHECK
HAPError HAPPlatformSystemCommandRunWithEnvironment(
char* _Nullable const command[_Nonnull],
char* _Nullable const environment[_Nullable],
char* bytes,
size_t maxBytes,
size_t* numBytes);
#if __has_feature(nullability)
#pragma clang assume_nonnull end
#endif
#ifdef __cplusplus
}
#endif
#endif